Previous Sinonasal surgery |
503 (39.6%) |
51 (28.8%) |
0.62
(0.44,0.87) |
0.006 |
Previous sinus surgery (ESS) |
156 (12.6%) |
13 (7.6%) |
0.57
(0.31,1.02) |
0.056 |
Previous nasal polypectomy (ENP) |
302 (26.8%) |
20 (13%) |
0.41 (0.25,0.66) |
<0.001 |
Multiple ESS/ENP |
144 (12.6%) |
13 (8.1%) |
0.61 (0.34,1.10) |
0.098 |